PowerMax Hydraulic Flat Tappet Camshaft Lift: 458/473 Duration: 288/296 RPM Range: 2600-6400

Name: PowerMax Hydraulic Flat Tappet Camshaft Lift: 458/473 Duration: 288/296 RPM Range: 2600-6400
Brand: CRANE CAMS
SKU: 271-113821
Price: 138.99 USD
Availability: OutOfStock

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Small Block Chevy 262-400ci 1957-87

Lift:

Duration:

RPM Range:

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Crane PowerMax emissions-legal cams produce amazing increases in torque, horsepower, and throttle response while extending the RPM powerband of computer-controlled performance passenger cars and light trucks. They permit full function of stock engine computers or aftermarket performance chips.
Characteristics
Good idle
3000-3400 cruise RPM
Daily performance usage
Mild bracket racing

9.5 to 10.75 compression ratio advised

CARB-Approved This camshaft is 50-state legal per the manufacturer's application guide. It has been granted a California Air Resources Board exemption (a "CARB EO" number) or is a direct or consolidated replacement part.

Good mid range HP, fair idle, moderate performance usage, w/plate or manifold nitrous system, mild bracket racing, auto trans w/2500+ converter, 3400- 3800 cruise RPM, 9.5 to 11.0 compression ratio advised. Good w/centrifugal or Roots supercharger, 10 lbs

Grind Number	H-288-2 (Replaces CCH-288-2)
Operating Range	2600-6400 RPM
Duration Advertised	288° Intake/296° Exhaust
Duration @ .050" Lift	226° Intake/234° Exhaust
Valve Lift with 1.5 Rockers	.458" Intake/.473" Exhaust
Lobe Separation Angle	114°
Max Lift Angle	Intake: 109° BTDC Exhaust: 119° BTDC
Open/Close @ .050" Cam Lift	Intake: 4° ATDC (opens) 42° ABDC (closes) Exhaust: 56° BBDC (opens) 2° BTDC (closes)